{"product_id":"us-optics-fxd-bubble-lvl-rl-mnt-mtt","title":"US Optics FXD Bubble Level Rail Mount – Matte Finish","description":"\u003cp\u003eThe US Optics FXD Bubble Level Rail Mount is a fixed-position leveling device designed to mount directly to Picatinny or Weaver-style rails. It provides a constant visual reference to ensure your rifle is held perpendicular to the ground, critical for precision shooting at distance where even minor cant can cause significant point-of-impact shifts. The bubble vial is clearly visible in your peripheral vision without breaking your sight picture.\u003c\/p\u003e\u003cp\u003eConstructed from durable aluminum with a matte finish to eliminate glare, this rail-mounted level attaches securely without interfering with optic placement or other accessories. It's compatible with any firearm equipped with a MIL-STD-1913 Picatinny rail. Installation requires standard hex tools (not included). Ideal for long-range shooting, competition, and hunting applications where holdover or wind correction demands absolute consistency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fixed bubble level, rail-mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Picatinny\/Weaver rail (MIL-STD-1913)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matte black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Precision shooting, hunting, competition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Optics","offers":[{"title":"Default Title","offer_id":47944063844607,"sku":"USOBBL-100","price":80.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2150881.jpg?v=1766615804","url":"https:\/\/doublestackstore.com\/products\/us-optics-fxd-bubble-lvl-rl-mnt-mtt","provider":"Double Stack Store","version":"1.0","type":"link"}